ILLUSTRATIONS 



PLATES. 



Page. 

 Plate I. The cigar case-bearer (Coleophora fietcherella) . Fig. 1.— Apple leaf 

 with larvae at work. Fig. 2. — Infested apple twig, two weeks after 

 larvae ceased feeding. Fig. 3. — Young branches with puncturelike 



feeding marks of the larvae 36 



II. The cigar case-bearer. Fig. 1. — Apple leaf from which numerous 

 cases have been constructed. Fig. 2. — Over- wintering larvae. Fig. 

 3. — Apple leaf from which cigar-shaped cases have been made; the 

 empty spring cases still adhering. Fig. 4. — Newly emerged moths 

 in their characteristic pose on the empty cases 38 



III. The lesser apple worm {Enarmonia prunivora). Fig. 1. — Photomi- 



crograph of egg. Fig. 2. — Work of larvae on fruit of Crataegus 48 



IV. Condition of buds at the time when first spraying for the pear thrips 



(Euihrips pyri) should be given. Fig 1. — Bartlett pear. Fig. 2. — 



French prune. Fig. 3. — Imperial prune 54 



V. Work of the pear thrips on pear. Fig. 1. — Destruction of buds and 

 blossoms. Fig. 2. — Scabbing of fruit from feeding punctures by 



adults on the opening buds in spring 54 



VI. Work of the pear thrips on French prune. Fig. 1. — Shoot on which 

 crop has been largely destroyed in blossom stage. Fig. 2. — Young 

 fruit, natural size, showing scabbing resulting from work of larvae. 

 Fig. 3. — Mature fruit, showing scabbing injury, resulting in a low 



grade of dried fruit 54 



VII. Codling-moth injury to French walnuts. Fig. 1. — Concord variety 

 of French walnut, showing character of injury by larvae of the cod- 

 ling moth. Fig. 2. — Concord variety of French walnut, about 



twice natural size, showing larva at work 68 



VIII. Codling-moth injury to French walnuts. Fig. 1.— Concord variety 

 of French walnut, showing fibrous tissue connecting the halves, 

 and empty pupal skin. Fig. 2. — Concord variety of French wal- 

 nut, showing entrance and exit holes of larva 68 



IX. Portion of outdoor shelter used in rearing the codling moth in 1909, 



at North East, Pa 72 



X. Fig. 1. — View in orchard of Mrs. S. E. Jones, near Siloam Springs, Ark. 



Fig. 2.— View in orchard of Mr. W. S. Ballard, near Crozet, Va 116 



XL Fig. 1. — View in orchard of the Strathmore Orchard Co., near Mount 

 Jackson, Va. Fig. 2. — View in the E. H. House orchard, near 



Saugatuck, Mich 134 



XII. Fig. 1. — The European fruit Lecanium (Lecanium corni) on pecan. 



Fig. 2. — The European pear scale (Epidiaspis pyricola) on pear 148 



XIII. View of prune orchard used in experiments against the European 



pear scale 152 



IX 



